You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
3.8 KiB
138 lines
3.8 KiB
//=============================================================================
|
|
//
|
|
// File : mp_mp3.h
|
|
// Creation date : Fri Mar 25 20:01:25 2005 GMT by Szymon Stefanek
|
|
//
|
|
// This file is part of the KVirc irc client distribution
|
|
// Copyright (C) 2005 Szymon Stefanek (pragma at kvirc dot net)
|
|
//
|
|
// This file is based on the mp3tech.h. It is released under the original
|
|
// license and the original copyright notice follows.
|
|
//
|
|
// mp3tech.h
|
|
//
|
|
// Copyright (C) 2000 Cedric Tefft <cedric@earthling.net>
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//
|
|
// This file is based in part on:
|
|
//
|
|
// * MP3Info 0.5 by Ricardo Cerqueira <rmc@rccn.net>
|
|
// * MP3Stat 0.9 by Ed Sweetman <safemode@voicenet.com> and
|
|
// Johannes Overmann <overmann@iname.com>
|
|
//
|
|
// There has been also a remarkable work by Cristopher Tieckle (Crissi)
|
|
//
|
|
//=============================================================================
|
|
|
|
// MIN_CONSEC_GOOD_FRAMES defines how many consecutive valid MP3 frames
|
|
// we need to see before we decide we are looking at a real MP3 file
|
|
#define MIN_CONSEC_GOOD_FRAMES 4
|
|
#define FRAME_HEADER_SIZE 4
|
|
#define MIN_FRAME_SIZE 21
|
|
#define NUM_SAMPLES 4
|
|
#define TEXT_FIELD_LEN 30
|
|
#define INT_FIELD_LEN 4
|
|
|
|
|
|
#include "kvi_settings.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <tqstring.h>
|
|
|
|
#ifdef COMPILE_ON_WINDOWS
|
|
#include <windows.h>
|
|
#else
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
#endif
|
|
|
|
|
|
enum VBR_REPORT { VBR_VARIABLE, VBR_AVERAGE, VBR_MEDIAN };
|
|
|
|
typedef struct {
|
|
unsigned int sync;
|
|
unsigned int version;
|
|
unsigned int layer;
|
|
unsigned int crc;
|
|
unsigned int bitrate;
|
|
unsigned int freq;
|
|
unsigned int padding;
|
|
unsigned int extension;
|
|
unsigned int mode;
|
|
unsigned int mode_extension;
|
|
unsigned int copyright;
|
|
unsigned int original;
|
|
unsigned int emphasis;
|
|
} mp3header;
|
|
|
|
typedef struct {
|
|
char title[31];
|
|
char artist[31];
|
|
char album[31];
|
|
char year[5];
|
|
char comment[31];
|
|
unsigned char track[1];
|
|
unsigned char genre[1];
|
|
} id3tag;
|
|
|
|
typedef struct {
|
|
TQString filename;
|
|
FILE *file;
|
|
unsigned int datasize;
|
|
int header_isvalid;
|
|
mp3header header;
|
|
int id3_isvalid;
|
|
id3tag id3;
|
|
int vbr;
|
|
float vbr_average;
|
|
int seconds;
|
|
int frames;
|
|
int badframes;
|
|
} mp3info;
|
|
|
|
// mode field:
|
|
// 00 - Stereo
|
|
// 01 - Joint stereo (Stereo)
|
|
// 10 - Dual channel (2 mono channels)
|
|
// 11 - Single channel (Mono)
|
|
|
|
bool scan_mp3_file(TQString& szFileName,mp3info * i);
|
|
|
|
void resetmp3infoStruct(mp3info *i);
|
|
|
|
int header_channels(mp3header *h);
|
|
int header_frequency(mp3header *h);
|
|
const char *header_emphasis(mp3header *h);
|
|
const char *header_mode(mp3header *h);
|
|
int header_layer(mp3header *h);
|
|
int header_bitrate(mp3header *h);
|
|
double header_version(mp3header *h);
|
|
int header_crc(mp3header *h);
|
|
int get_header(FILE *file,mp3header *header);
|
|
int frame_length(mp3header *header);
|
|
int sameConstant(mp3header *h1, mp3header *h2);
|
|
int get_mp3_info(mp3info *mp3);
|
|
int get_id3(mp3info *mp3);
|
|
char *pad(char *string, int length);
|
|
char *unpad(char *string);
|
|
int get_first_header(mp3info *mp3,long startpos);
|
|
//void tagedit_curs(char *filename, int filenum, int fileoutof, id3tag *tag);
|
|
const char * get_typegenre(int idx);
|
|
|